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What is the difference between UHF and VHF frequencies?

Frequency Bands for Wireless Microphone Systems Every wireless microphone system transmits and receives on a specific radio frequency, called the operating frequency. Allocation and regulation of radio frequencies is supervis...

Troubleshoot wireless mic dropouts

Dropouts in wireless mics can be caused by many things, including antenna placement, bad antenna cable, antenna distribution problems, frequency selection, interference, etc. Troubleshooting dropouts will be a process of tri...

Five Mistakes to Avoid When Using Wireless

While wireless systems have freed performers from the bonds of cords and cables, they've unleashed a number of headaches for the sound crew. Getting a wireless system to behave predictably is a challenge faced by touring prof...

What is "Squelch" on a wireless receiver?

Blog Posting about Squelch An circuit that is important to proper receiver behavior is called "squelch" or muting. The function of this circuit is to mute or silence the audio output of the receiver in the absence of the des...

Locking and Unlocking transmitters and receivers

BLX SERIES Transmitter (Power & Frequency) Lock or Unlock: With transmitter ON, hold down the GROUP button, then press the CHANNEL button for two seconds. Receiver (Power & Frequency) Lock or Unlock: Power ON the re...

Can I use two (or more) wireless microphones with one receiver?

No, this will not work. A wireless receiver can only demodulate the signal from one active mic-transmitter at a time. But you may use one transmitter or the other, as long as only one transmitter is powered up at any time. ...

Reserved TV channels and registering wireless mics

Background After the 700 MHz auction in 2009, many unoccupied TV channels are shared between wireless microphones and white space devices (WSD's). A WSD can only transmit on TV channels that are unassigned to a TV station ...

Batteries and wireless microphones

Batteries and Wireless Microphones Benjamin Franklin first coined the term "battery" during his famous electrical experiments. Then around 1800, Alessandro Volta, a professor of natural philosophy at the University ...

Seven Common Reasons for Wireless Mic Problems

Reason #1: Dead or weak batteries How to check: Substitute newly purchased, brand name alkaline batteries. Examine the wireless mic battery terminals to make certain they are making a secure contact to the terminals on the batt...

Pin-out for Shure bodypack transmitters and preamps - TA4M / TA4F

Product Model Wiring Wireless bodypack transmitters - all models with TA4M connectors MX1BP Battery/Phantom Preamplifier RK183PK Microflex Prea...

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